1. Acheson, J. M. (2003). Capturing the Commons: Devising Institutions to Manage the Maine Lobster Industry. University Press of New England, New Hampshire.
2. Anderies, J. M., Janssen, M. A., and Ostrom, E. (2004). A Framework to Analyze the Robustness of Social-Ecological Systems from an Institutional Perspective. Ecology and Society 9(1): 18.
3. Barton, R. (1919) [1965]. Ifugao Law. University of California, Berkeley, pp. 1–186.
4. Barton, R. (1922). Ifugao Economics. University of California, Berkeley, pp. 385–446.
5. Barton, R. (1946). The Religion of the Ifugaos. American Anthropologist 48(4(2)): 1–219.